Question
The average number of croissants in Box C, Box D and Box E is 42. Box C has 30 croissants. The number of croissants in Box D is twice the number of croissants in Box E. What is the number of croissants in Box E?
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The average number of croissants in Box C, Box D and Box E is 42. Box C has 30 croissants. The number of croissants in Box D is twice the number of croissants in Box E. What is the number of croissants in Box E?